5 Gallon, Pre-Post 1/2% Iodine Teat Dip, A Sanitizing Pre & Post-Dip With 0.5% Available Iodine, Containing Iodophor Complexes In A Solution Of 5% Glycerine, Buffering, & Complexing Agents, Aids In Reducing The Spread Of Organisms Which May Cause Mastitis, Its Glycerin Based Emollient System Has Excellent Skin Conditioning Properties.